

01/10/1958
Aliens from Outer Space are slowly switching places with real humans -- one of the first being a young man about to get married. Slowly, his new wife realizes something is wrong, and her suspicions are confirmed when her husband's odd behaviour begins to show up in other townspeople.

Tom Tryon
as Bill Farrell

Gloria Talbott
as Marge Bradley Farrell

Alan Dexter
as Sam Benson

Jean Carson
as Helen Rhodes

Ken Lynch
as Dr. Wayne

Maxie Rosenbloom
as Max Grady - Bartender

Peter Baldwin
as Officer Hank Swanson

Jack Orrison
as Officer Schultz

John Eldredge
as Police Capt. H.B. Collins

Robert Ivers
as Harry Phillips

Chuck Wassil
as Ted Hanks

Ty Hardin
as Mac Brody (as Ty Hungerford)

Valerie Allen
as Francine - Hooker

Mary Treen
as Mother Bradley (uncredited)

James Anderson
as Weldon

Steve London
as Charles Mason

Darlene Fields
as Caroline Hanks (uncredited)

Tony Di Milo
as Mr. Potter - Western Union Clerk (uncredited)

Sherry Staiger
as First Girl (uncredited)

Helen Jay
as Second Girl (uncredited)

Arthur Lovejoy
as Minister (uncredited)

Ralph Manza
as Ralph the Waiter (uncredited)

Charles Gemora
as Alien (uncredited)

Joe Gray
as Alien (uncredited)

Harold Miller
as Wedding Guest (uncredited)

Bess Flowers
as Wedding Guest (uncredited)
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